[product name] wooden double digital box

[weight] about 0.8KG

[Specification] box size 23*17*2.2 cm

[products]: the famous Montessori teaching tool. The children the mostdifficult to understand is the digital subtraction abstract， this toy building blocks of equal height， a mathematical answer accordingly within 10. Let mathematics abstract and boring learning， building digital game into babylike concrete， image.

Suitable for 1-7 years old baby use.

[game]: let the baby Sadumiki Ichii corresponding mosaic; let the baby according to the order from small to large and from big to small order ofsequence of number. Let the baby to know the color， learn to one one corresponding mosaic; let your baby know digital; understand the relationship between the number and the number of.